" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
maaf kalo salah
x^2 - 12× + ... + y^2 - 4y = - 36
×^2 - 12× + 36 + y^2 - 4y + 4 = - 36 + 36 + 4
(× - 6)^2 + (y - 2)^2 = 4
jadi, pusatnya (6,2) dan r = 2